Home / 2,669.93-3,684.45-1,550.90

Finding the Fourth Proportional to 2,669.93, 3,684.45 and 1,550.90

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Solution

The fourth proportional to 2,669.93, 3,684.45 and 1,550.90 is: 2,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.93 : 3,684.45 = 1,550.90 : x
  2. Step 2: Convert to fraction form
    2,669.93/3,684.45 = 1,550.90/x
  3. Step 3: Cross multiply
    2,669.93x = 3,684.45 × 1,550.90
  4. Step 4: Simplify right side
    2,669.93x = 5,714,213.51
  5. Step 5: Solve for x
    x = 5,714,213.51/2,669.93
  6. Step 6: Final answer
    x = 2,140.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.